Levi Fisher's ancestors farmed the fertile land of eastern Pennsylvania for more than 275 years while living a quiet, traditional Amish lifestyle. But squeezed in recent years by encroaching suburbia, rising land prices and increasing tourism, Fisher sought a place that reminded him how things used to be. He found it in the rolling pastures of southwest Wisconsin. Fisher moved here in 1999 with a dozen children. Soon after, his brother Henry and family followed. Now the Fisher clan is building a cinder-block house on its 118 acres for a third brother, Gideon, who moved this month with his wife...